﻿//==============================================================================
// File: ExtendedUnityAdapter.cs
// Created: 2010-05-10
// Author: Piotr Włodek
//==============================================================================
// This file is a part of MAMMOTH project.
// Copyright (C) 2010 AGH University of Science and Technology, Krakow.
// https://caribou.iisg.agh.edu.pl/trac/mammoth
//
// Mammoth is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// Mammoth is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Lesser General Public License for more details.
// 
// You should have received a copy of the GNU Lesser General Public License
// along with Mammoth. If not, see http://www.gnu.org/licenses/.
//==============================================================================

using System;
using System.Collections.Generic;
using Caliburn.Unity;
using Microsoft.Practices.Unity;

namespace WpfRcp.Helpers.Caliburn
{
    public class ExtendedUnityAdapter : UnityAdapter
    {
        public ExtendedUnityAdapter(IUnityContainer container)
            : base(container)
        {
        }

        protected override IEnumerable<object> DoGetAllInstances(Type serviceType)
        {
            object instance = null;
            try
            {
                instance = GetInstance(serviceType);
            }
            catch
            {
            }

            if (instance != null)
                yield return instance;

            foreach (var allInstance in base.DoGetAllInstances(serviceType))
            {
                yield return allInstance;
            }
        }
    }
}